{
  "name": "Stakhovsky Tennis Serve Speed Index 2026",
  "research_id": "SRV-01",
  "version": "1.0",
  "page": "https://stakhovskytennis.com/research/tennis-serve-speed",
  "date_published": "2026-10-11",
  "date_modified": "2026-10-11",
  "source_reviewed": "2026-10-11",
  "creator": "Stakhovsky Tennis",
  "attribution": "Editorial compilation, not original player measurement research.",
  "license": {
    "url": "https://creativecommons.org/licenses/by/4.0/",
    "notice": "CC BY 4.0 covers original Stakhovsky Tennis compilation and annotations. Third-party material remains subject to its source terms."
  },
  "method": "Keep source periods and evidence classes separate. Convert at 1 mph = 1.609344 km/h, round converted speeds to one decimal, retain original source precision. Ranges are not statistical confidence intervals.",
  "records": [
    {
      "id": "srv-club-beginner",
      "table_id": "1",
      "group": "Beginner",
      "measure": "First-serve coaching range",
      "value": "",
      "value_min": 50,
      "value_max": 70,
      "unit": "mph",
      "value_kmh": "",
      "value_mph": "",
      "min_kmh": 80.5,
      "max_kmh": 112.7,
      "min_mph": 50,
      "max_mph": 70,
      "source_period": "Guidance published July 2026",
      "source": "PlayYourCourt",
      "source_url": "https://www.playyourcourt.com/news/how-to-hit-a-faster-serve-in-tennis-from-nate-playyourcourt-pro/",
      "source_published": "2026-07-23",
      "source_checked": "2026-10-11",
      "evidence_class": "publisher_coaching_estimate",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "No disclosed measured sample; source labels are not official ratings."
    },
    {
      "id": "srv-club-solid",
      "table_id": "1",
      "group": "Solid club player",
      "measure": "First-serve coaching range",
      "value": "",
      "value_min": 80,
      "value_max": 100,
      "unit": "mph",
      "value_kmh": "",
      "value_mph": "",
      "min_kmh": 128.7,
      "max_kmh": 160.9,
      "min_mph": 80,
      "max_mph": 100,
      "source_period": "Guidance published July 2026",
      "source": "PlayYourCourt",
      "source_url": "https://www.playyourcourt.com/news/how-to-hit-a-faster-serve-in-tennis-from-nate-playyourcourt-pro/",
      "source_published": "2026-07-23",
      "source_checked": "2026-10-11",
      "evidence_class": "publisher_coaching_estimate",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "No disclosed measured sample; source labels are not official ratings."
    },
    {
      "id": "srv-club-advanced",
      "table_id": "1",
      "group": "Advanced recreational",
      "measure": "First-serve coaching range",
      "value": "",
      "value_min": 100,
      "value_max": 115,
      "unit": "mph",
      "value_kmh": "",
      "value_mph": "",
      "min_kmh": 160.9,
      "max_kmh": 185.1,
      "min_mph": 100,
      "max_mph": 115,
      "source_period": "Guidance published July 2026",
      "source": "PlayYourCourt",
      "source_url": "https://www.playyourcourt.com/news/how-to-hit-a-faster-serve-in-tennis-from-nate-playyourcourt-pro/",
      "source_published": "2026-07-23",
      "source_checked": "2026-10-11",
      "evidence_class": "publisher_coaching_estimate",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "No disclosed measured sample; source labels are not official ratings."
    },
    {
      "id": "srv-cross-men-first",
      "table_id": "2",
      "group": "Men",
      "measure": "First-serve mean",
      "value": 184.1,
      "value_min": "",
      "value_max": "",
      "unit": "km/h",
      "value_kmh": 184.1,
      "value_mph": 114.4,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2008 US Open; 2009 Australian Open, French Open and Wimbledon",
      "source": "Cross (2014), ITF Coaching and Sport Science Review 22(62)",
      "source_url": "https://itfcoachingreview.com/index.php/journal/article/download/477/1290/1937",
      "source_published": "2014-04",
      "source_checked": "2026-10-11",
      "evidence_class": "historical_study",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Historical available-court data; advancing players counted repeatedly; men's full draw and women's round 3 onward; not current tour-wide means."
    },
    {
      "id": "srv-cross-women-first",
      "table_id": "2",
      "group": "Women",
      "measure": "First-serve mean",
      "value": 158.5,
      "value_min": "",
      "value_max": "",
      "unit": "km/h",
      "value_kmh": 158.5,
      "value_mph": 98.5,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2008 US Open and Wimbledon; 2009 Australian and French Opens",
      "source": "Cross (2014), ITF Coaching and Sport Science Review 22(62)",
      "source_url": "https://itfcoachingreview.com/index.php/journal/article/download/477/1290/1937",
      "source_published": "2014-04",
      "source_checked": "2026-10-11",
      "evidence_class": "historical_study",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Historical available-court data; advancing players counted repeatedly; men's full draw and women's round 3 onward; not current tour-wide means."
    },
    {
      "id": "srv-cross-men-second",
      "table_id": "2",
      "group": "Men",
      "measure": "Second-serve mean",
      "value": 150.4,
      "value_min": "",
      "value_max": "",
      "unit": "km/h",
      "value_kmh": 150.4,
      "value_mph": 93.5,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2008 US Open; 2009 Australian Open, French Open and Wimbledon",
      "source": "Cross (2014), ITF Coaching and Sport Science Review 22(62)",
      "source_url": "https://itfcoachingreview.com/index.php/journal/article/download/477/1290/1937",
      "source_published": "2014-04",
      "source_checked": "2026-10-11",
      "evidence_class": "historical_study",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Historical available-court data; advancing players counted repeatedly; men's full draw and women's round 3 onward; not current tour-wide means."
    },
    {
      "id": "srv-cross-women-second",
      "table_id": "2",
      "group": "Women",
      "measure": "Second-serve mean",
      "value": 133.4,
      "value_min": "",
      "value_max": "",
      "unit": "km/h",
      "value_kmh": 133.4,
      "value_mph": 82.9,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2008 US Open and Wimbledon; 2009 Australian and French Opens",
      "source": "Cross (2014), ITF Coaching and Sport Science Review 22(62)",
      "source_url": "https://itfcoachingreview.com/index.php/journal/article/download/477/1290/1937",
      "source_published": "2014-04",
      "source_checked": "2026-10-11",
      "evidence_class": "historical_study",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Historical available-court data; advancing players counted repeatedly; men's full draw and women's round 3 onward; not current tour-wide means."
    },
    {
      "id": "srv-cross-men-top20",
      "table_id": "2",
      "group": "Men",
      "measure": "Mean maximum of 20 fastest servers per event",
      "value": 218.6,
      "value_min": "",
      "value_max": "",
      "unit": "km/h",
      "value_kmh": 218.6,
      "value_mph": 135.8,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2013",
      "source": "Cross (2014), ITF Coaching and Sport Science Review 22(62)",
      "source_url": "https://itfcoachingreview.com/index.php/journal/article/download/477/1290/1937",
      "source_published": "2014-04",
      "source_checked": "2026-10-11",
      "evidence_class": "historical_study",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Separate 2013 top-20 maximum-speed sample; not a mean of every serve."
    },
    {
      "id": "srv-cross-women-top20",
      "table_id": "2",
      "group": "Women",
      "measure": "Mean maximum of 20 fastest servers per event",
      "value": 185.6,
      "value_min": "",
      "value_max": "",
      "unit": "km/h",
      "value_kmh": 185.6,
      "value_mph": 115.3,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2013",
      "source": "Cross (2014), ITF Coaching and Sport Science Review 22(62)",
      "source_url": "https://itfcoachingreview.com/index.php/journal/article/download/477/1290/1937",
      "source_published": "2014-04",
      "source_checked": "2026-10-11",
      "evidence_class": "historical_study",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Separate 2013 top-20 maximum-speed sample; not a mean of every serve."
    },
    {
      "id": "srv-atp-first-mpetshi",
      "table_id": "3",
      "group": "Giovanni Mpetshi Perricard",
      "measure": "Average first serve",
      "value": 134.4,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 216.3,
      "value_mph": 134.4,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025 season",
      "source": "ATP Tour: 2025 average serve-speed leaders",
      "source_url": "https://www.atptour.com/en/news/scorecards-mpetshi-perricard-first-serve-speed",
      "source_published": "2026-01-18",
      "source_checked": "2026-10-11",
      "evidence_class": "official_season_summary",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Selected leaders from the ATP report; no underlying all-player dataset or full inclusion method supplied."
    },
    {
      "id": "srv-atp-first-opelka",
      "table_id": "3",
      "group": "Reilly Opelka",
      "measure": "Average first serve",
      "value": 130.6,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 210.2,
      "value_mph": 130.6,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025 season",
      "source": "ATP Tour: 2025 average serve-speed leaders",
      "source_url": "https://www.atptour.com/en/news/scorecards-mpetshi-perricard-first-serve-speed",
      "source_published": "2026-01-18",
      "source_checked": "2026-10-11",
      "evidence_class": "official_season_summary",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Selected leaders from the ATP report; no underlying all-player dataset or full inclusion method supplied."
    },
    {
      "id": "srv-atp-first-collignon",
      "table_id": "3",
      "group": "Raphael Collignon",
      "measure": "Average first serve",
      "value": 128.9,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 207.4,
      "value_mph": 128.9,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025 season",
      "source": "ATP Tour: 2025 average serve-speed leaders",
      "source_url": "https://www.atptour.com/en/news/scorecards-mpetshi-perricard-first-serve-speed",
      "source_published": "2026-01-18",
      "source_checked": "2026-10-11",
      "evidence_class": "official_season_summary",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Selected leaders from the ATP report; no underlying all-player dataset or full inclusion method supplied."
    },
    {
      "id": "srv-atp-first-zverev",
      "table_id": "3",
      "group": "Alexander Zverev",
      "measure": "Average first serve",
      "value": 128.8,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 207.3,
      "value_mph": 128.8,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025 season",
      "source": "ATP Tour: 2025 average serve-speed leaders",
      "source_url": "https://www.atptour.com/en/news/scorecards-mpetshi-perricard-first-serve-speed",
      "source_published": "2026-01-18",
      "source_checked": "2026-10-11",
      "evidence_class": "official_season_summary",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Selected leaders from the ATP report; no underlying all-player dataset or full inclusion method supplied."
    },
    {
      "id": "srv-atp-first-mensik",
      "table_id": "3",
      "group": "Jakub Mensik",
      "measure": "Average first serve",
      "value": 128.6,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 207,
      "value_mph": 128.6,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025 season",
      "source": "ATP Tour: 2025 average serve-speed leaders",
      "source_url": "https://www.atptour.com/en/news/scorecards-mpetshi-perricard-first-serve-speed",
      "source_published": "2026-01-18",
      "source_checked": "2026-10-11",
      "evidence_class": "official_season_summary",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Selected leaders from the ATP report; no underlying all-player dataset or full inclusion method supplied."
    },
    {
      "id": "srv-atp-second-mpetshi",
      "table_id": "4",
      "group": "Giovanni Mpetshi Perricard",
      "measure": "Average second serve",
      "value": 117,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 188.3,
      "value_mph": 117,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025 season",
      "source": "ATP Tour: 2025 average serve-speed leaders",
      "source_url": "https://www.atptour.com/en/news/scorecards-mpetshi-perricard-first-serve-speed",
      "source_published": "2026-01-18",
      "source_checked": "2026-10-11",
      "evidence_class": "official_season_summary",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Selected leaders from the ATP report; no underlying all-player dataset or full inclusion method supplied."
    },
    {
      "id": "srv-atp-second-vacherot",
      "table_id": "4",
      "group": "Valentin Vacherot",
      "measure": "Average second serve",
      "value": 112.5,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 181.1,
      "value_mph": 112.5,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025 season",
      "source": "ATP Tour: 2025 average serve-speed leaders",
      "source_url": "https://www.atptour.com/en/news/scorecards-mpetshi-perricard-first-serve-speed",
      "source_published": "2026-01-18",
      "source_checked": "2026-10-11",
      "evidence_class": "official_season_summary",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Selected leaders from the ATP report; no underlying all-player dataset or full inclusion method supplied."
    },
    {
      "id": "srv-atp-second-opelka",
      "table_id": "4",
      "group": "Reilly Opelka",
      "measure": "Average second serve",
      "value": 110.2,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 177.3,
      "value_mph": 110.2,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025 season",
      "source": "ATP Tour: 2025 average serve-speed leaders",
      "source_url": "https://www.atptour.com/en/news/scorecards-mpetshi-perricard-first-serve-speed",
      "source_published": "2026-01-18",
      "source_checked": "2026-10-11",
      "evidence_class": "official_season_summary",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Selected leaders from the ATP report; no underlying all-player dataset or full inclusion method supplied."
    },
    {
      "id": "srv-atp-second-diallo",
      "table_id": "4",
      "group": "Gabriel Diallo",
      "measure": "Average second serve",
      "value": 108.9,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 175.3,
      "value_mph": 108.9,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025 season",
      "source": "ATP Tour: 2025 average serve-speed leaders",
      "source_url": "https://www.atptour.com/en/news/scorecards-mpetshi-perricard-first-serve-speed",
      "source_published": "2026-01-18",
      "source_checked": "2026-10-11",
      "evidence_class": "official_season_summary",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Selected leaders from the ATP report; no underlying all-player dataset or full inclusion method supplied."
    },
    {
      "id": "srv-atp-second-shelton",
      "table_id": "4",
      "group": "Ben Shelton",
      "measure": "Average second serve",
      "value": 107.8,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 173.5,
      "value_mph": 107.8,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025 season",
      "source": "ATP Tour: 2025 average serve-speed leaders",
      "source_url": "https://www.atptour.com/en/news/scorecards-mpetshi-perricard-first-serve-speed",
      "source_published": "2026-01-18",
      "source_checked": "2026-10-11",
      "evidence_class": "official_season_summary",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Selected leaders from the ATP report; no underlying all-player dataset or full inclusion method supplied."
    },
    {
      "id": "srv-junior-boys",
      "table_id": "5",
      "group": "Boys",
      "measure": "Mean court-test serve velocity",
      "value": 174.69,
      "value_min": "",
      "value_max": "",
      "unit": "km/h",
      "value_kmh": 174.69,
      "value_mph": 108.5,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2023 journal issue; published 2022-12-28; collection date unspecified",
      "source": "Parpa et al., Sports 11(1), 7",
      "source_url": "https://doi.org/10.3390/sports11010007",
      "source_published": "2022-12-28",
      "source_checked": "2026-10-11",
      "evidence_class": "small_observational_study",
      "sample_n": 16,
      "mean_age_years": 15.69,
      "notes": "Raw source km/h retained; small court-test sample, not an age norm or match average."
    },
    {
      "id": "srv-junior-girls",
      "table_id": "5",
      "group": "Girls",
      "measure": "Mean court-test serve velocity",
      "value": 146.45,
      "value_min": "",
      "value_max": "",
      "unit": "km/h",
      "value_kmh": 146.45,
      "value_mph": 91,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2023 journal issue; published 2022-12-28; collection date unspecified",
      "source": "Parpa et al., Sports 11(1), 7",
      "source_url": "https://doi.org/10.3390/sports11010007",
      "source_published": "2022-12-28",
      "source_checked": "2026-10-11",
      "evidence_class": "small_observational_study",
      "sample_n": 11,
      "mean_age_years": 15.82,
      "notes": "Raw source km/h retained; small court-test sample, not an age norm or match average."
    },
    {
      "id": "srv-record-groth",
      "table_id": "6",
      "group": "Sam Groth",
      "measure": "Single recorded serve",
      "value": 263,
      "value_min": "",
      "value_max": "",
      "unit": "km/h",
      "value_kmh": 263,
      "value_mph": 163.4,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2012-05-09, Busan Challenger",
      "source": "Guinness World Records: fastest serve of a tennis ball (male)",
      "source_url": "https://www.guinnessworldrecords.com/world-records/fastest-serve-of-a-tennis-ball-male",
      "source_published": "",
      "source_checked": "2026-10-11",
      "evidence_class": "official_event_or_record_report",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Guinness entry; ATP 2015 biography corroborates 163.4 mph. No claim of ATP record certification."
    },
    {
      "id": "srv-record-isner",
      "table_id": "6",
      "group": "John Isner",
      "measure": "Single recorded serve",
      "value": 253,
      "value_min": "",
      "value_max": "",
      "unit": "km/h",
      "value_kmh": 253,
      "value_mph": 157.2,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2016-03-06, Davis Cup versus Bernard Tomic",
      "source": "Davis Cup: Isner ices tie for USA",
      "source_url": "https://legacy-daviscup.itftennis.com/en/news/224535.aspx",
      "source_published": "2016-03-06",
      "source_checked": "2026-10-11",
      "evidence_class": "official_event_or_record_report",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Official match report confirms reading, not a comprehensive current world ranking."
    },
    {
      "id": "srv-record-lisicki",
      "table_id": "7",
      "group": "Sabine Lisicki",
      "measure": "Single recorded serve",
      "value": 131,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 210.8,
      "value_mph": 131,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2014 Stanford, first round",
      "source": "WTA: Sabine Lisicki biography",
      "source_url": "https://www.wtatennis.com/players/312520/sabine-lisicki",
      "source_published": "",
      "source_checked": "2026-10-11",
      "evidence_class": "official_event_or_record_report",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "WTA biography confirms historical serve; current universal record status not asserted."
    },
    {
      "id": "srv-record-parks",
      "table_id": "7",
      "group": "Alycia Parks",
      "measure": "Single recorded serve",
      "value": 129,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 207.6,
      "value_mph": 129,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2021 US Open, first round",
      "source": "US Open: 2021 round of 16 by the numbers",
      "source_url": "https://www.usopen.org/en_US/news/articles/2021-09-07/2021_us_open_round_of_16_by_the_numbers.html",
      "source_published": "2021-09-07",
      "source_checked": "2026-10-11",
      "evidence_class": "official_event_or_record_report",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Official tournament summary through round 4 confirms reading."
    },
    {
      "id": "srv-record-mpetshi",
      "table_id": "8",
      "group": "Giovanni Mpetshi Perricard",
      "measure": "Single recorded serve",
      "value": 153,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 246.2,
      "value_mph": 153,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2025-06-30, Wimbledon first round",
      "source": "ATP: Mpetshi Perricard's Wimbledon serve",
      "source_url": "https://www.atptour.com/en/news/mpetshi-perricard-wimbledon-2025-serve-speed-record",
      "source_published": "2025-06-30",
      "source_checked": "2026-10-11",
      "evidence_class": "official_event_or_record_report",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Wimbledon record at time of ATP report; not a Grand Slam-wide all-time claim."
    },
    {
      "id": "srv-record-shelton",
      "table_id": "8",
      "group": "Ben Shelton",
      "measure": "Single recorded serve",
      "value": 149,
      "value_min": "",
      "value_max": "",
      "unit": "mph",
      "value_kmh": 239.8,
      "value_mph": 149,
      "min_kmh": "",
      "max_kmh": "",
      "min_mph": "",
      "max_mph": "",
      "source_period": "2026 US Open",
      "source": "US Open: final 2026 tournament numbers",
      "source_url": "https://www.usopen.org/amp/en_US/news/articles/2026-09-13/by_the_numbers_facts_and_figures_from_the_2026_us_open.html",
      "source_published": "2026-09-13",
      "source_checked": "2026-10-11",
      "evidence_class": "official_event_or_record_report",
      "sample_n": "",
      "mean_age_years": "",
      "notes": "Official final event summary identifies fastest serve of that edition; not an all-time mark."
    }
  ]
}